Biology · Morphology of Flowering Plants

Match the sub-aerial modifications of the stem with their correct description: a. Runner — i. Grows horizontally forward creeping on the ground, rooting at nodes (e.g., Cynodon). b. Sucker — ii. Grows obliquely upward from the underground main stem, rooting at nodes (e.g., Mentha). c. Offset — iii. A short, thick runner of an aquatic rosette plant (e.g., Pistia). d. Stolon — iv. Lateral branch originating from base of main axis that arches downward to touch the ground.